Latest Institutional Purchases of Altimmune, Inc. (ALT)
This list provides information on the latest institutional transactions involving Altimmune, Inc. (ALT) stock that were buys. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Aug 14, 2025
Q2 2025
|
Caption Management, LLC
Oklahoma City, OK |
BUY
|
PUT |
1.27M+ 2118.67% |
$4.45M - $9.8M
|
1.33M
$4.82M
|
|
|
Aug 14, 2025
Q2 2025
|
Caption Management, LLC
Oklahoma City, OK |
BUY
|
- |
942K+ 2423.62% |
$3.3M - $7.26M
|
981K
$3.55M
|
|
|
Aug 14, 2025
Q2 2025
|
Ikarian Capital, LLC
Dallas, TX |
BUY
|
CALL |
828KNew |
$2.9M - $6.38M
|
828K
$3M
|
|
|
Aug 11, 2025
Q2 2025
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
760K+ 17.24% |
$2.66M - $5.86M
|
5.17M
$18.7M
|
|
|
Aug 13, 2025
Q2 2025
|
Federated Hermes, Inc.
Pittsburgh, PA |
BUY
|
- |
728K+ 387.65% |
$2.55M - $5.61M
|
915K
$3.31M
|
|
|
Aug 14, 2025
Q2 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
PUT |
634K+ 251.19% |
$2.22M - $4.89M
|
886K
$3.21M
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
- |
544K+ 50.53% |
$1.9M - $4.19M
|
1.62M
$5.86M
|
|
|
Aug 14, 2025
Q2 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
- |
523KNew |
$1.83M - $4.04M
|
523K
$1.89M
|
|
|
Aug 14, 2025
Q2 2025
|
Bank Of America Corp
Charlotte, NC |
BUY
|
- |
435K+ 155.22% |
$1.52M - $3.36M
|
716K
$2.59M
|
|
|
Aug 14, 2025
Q2 2025
|
Lmr Partners LLP
London, X0 |
BUY
|
PUT |
353KNew |
$1.23M - $2.72M
|
353K
$1.28M
|
|
|
Aug 14, 2025
Q2 2025
|
Boothbay Fund Management, LLC
New York, NY |
BUY
|
CALL |
301KNew |
$1.05M - $2.32M
|
301K
$1.09M
|
|
|
Aug 12, 2025
Q2 2025
|
Virtu Financial LLC
New York, NY |
BUY
|
- |
268KNew |
$937K - $2.06M
|
268K
$969K
|
|
|
Aug 14, 2025
Q2 2025
|
Scientech Research LLC
Jersey City, NJ |
BUY
|
- |
254KNew |
$890K - $1.96M
|
254K
$921K
|
|
|
Jul 31, 2025
Q2 2025
|
Caitong International Asset Management Co., LTD
Hong Kong, K3 |
BUY
|
- |
239K+ 25474.17% |
$835K - $1.84M
|
240K
$867K
|
|
|
Aug 08, 2025
Q2 2025
|
Geode Capital Management, LLC
Boston, MA |
BUY
|
- |
229K+ 13.42% |
$801K - $1.77M
|
1.93M
$7M
|
|
|
Aug 13, 2025
Q2 2025
|
Group One Trading, L.P.
Chicago, IL |
BUY
|
- |
213K+ 82.92% |
$745K - $1.64M
|
469K
$1.7M
|
|
|
Aug 13, 2025
Q2 2025
|
Affinity Asset Advisors, LLC
New York, NY |
BUY
|
CALL |
200KNew |
$700K - $1.54M
|
200K
$724K
|
|
|
Aug 15, 2025
Q2 2025
|
Morgan Stanley
New York, NY |
BUY
|
- |
178K+ 27.11% |
$624K - $1.37M
|
835K
$3.02M
|
|
|
Aug 14, 2025
Q2 2025
|
Diadema Partners LP
Morristown, NJ |
BUY
|
PUT |
171KNew |
$600K - $1.32M
|
171K
$620K
|
|
|
Aug 04, 2025
Q2 2025
|
Moody Aldrich Partners LLC
|
BUY
|
- |
158KNew |
$552K - $1.22M
|
158K
$571K
|
|
|
Aug 14, 2025
Q2 2025
|
Woodline Partners LP
San Francisco, CA |
BUY
|
- |
143KNew |
$500K - $1.1M
|
143K
$517K
|
|
|
Aug 11, 2025
Q2 2025
|
Brown Wealth Management, LLC
Naperville, IL |
BUY
|
- |
131K+ 131.03% |
$459K - $1.01M
|
231K
$837K
|
|
|
Aug 13, 2025
Q2 2025
|
Centiva Capital, LP
New York, NY |
BUY
|
PUT |
125KNew |
$437K - $963K
|
125K
$452K
|
|
|
Aug 14, 2025
Q2 2025
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
- |
109K+ 27.9% |
$381K - $840K
|
499K
$1.81M
|
|
|
Aug 14, 2025
Q2 2025
|
Avidity Partners Management LP
Dallas, TX |
BUY
|
- |
105KNew |
$368K - $810K
|
105K
$380K
|
|
|
Aug 13, 2025
Q2 2025
|
Barclays PLC
London, X0 |
BUY
|
- |
105K+ 55.82% |
$366K - $807K
|
292K
$1.06M
|
|
|
Jul 22, 2025
Q2 2025
|
Imc Chicago, LLC
|
BUY
|
- |
104K+ 124.24% |
$362K - $798K
|
187K
$676K
|
|
|
Aug 14, 2025
Q2 2025
|
Balyasny Asset Management LLC
Chicago, IL |
BUY
|
CALL |
100KNew |
$350K - $771K
|
100K
$362K
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Group Ag
|
BUY
|
- |
98.8K+ 12.53% |
$346K - $761K
|
887K
$3.21M
|
|
|
Aug 13, 2025
Q2 2025
|
Centiva Capital, LP
New York, NY |
BUY
|
- |
92.3KNew |
$323K - $712K
|
92.3K
$334K
|
|
|
Jul 22, 2025
Q2 2025
|
Gsa Capital Partners LLP
London, X0 |
BUY
|
- |
90.6K+ 294.32% |
$317K - $698K
|
121K
$439K
|
|
|
Aug 14, 2025
Q2 2025
|
Brevan Howard Capital Management LP
St. Helier, Y9 |
BUY
|
- |
89.4K+ 204.1% |
$313K - $689K
|
133K
$482K
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna Portfolio Strategies, LLC
Bala Cynwyd, PA |
BUY
|
- |
84.3KNew |
$295K - $650K
|
84.3K
$305K
|
|
|
Aug 05, 2025
Q2 2025
|
Simplex Trading, LLC
|
BUY
|
- |
79.1K+ 380.13% |
$277K - $610K
|
100K
$362K
|
|
|
Aug 08, 2025
Q2 2025
|
Intech Investment Management LLC
West Palm Beach, FL |
BUY
|
- |
73.5K+ 102.9% |
$257K - $567K
|
145K
$525K
|
|
|
Aug 12, 2025
Q2 2025
|
Steward Partners Investment Advisory, LLC
|
BUY
|
- |
64.2K+ 43.01% |
$225K - $495K
|
213K
$772K
|
|
|
Aug 14, 2025
Q2 2025
|
Sculptor Capital LP
New York, NY |
BUY
|
- |
63K+ 71.59% |
$221K - $486K
|
151K
$547K
|
|
|
Aug 14, 2025
Q2 2025
|
Sculptor Capital LP
New York, NY |
BUY
|
PUT |
63K+ 71.59% |
$221K - $486K
|
151K
$547K
|
|
|
Aug 14, 2025
Q2 2025
|
Verition Fund Management LLC
Greenwich, CT |
BUY
|
PUT |
50KNew |
$175K - $386K
|
50K
$181K
|
|
|
Aug 14, 2025
Q2 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
PUT |
50K+ 100.0% |
$175K - $386K
|
100K
$362K
|
|
|
Aug 01, 2025
Q2 2025
|
Beirne Wealth Consulting Services, LLC
|
BUY
|
- |
48K+ 16.3% |
$168K - $370K
|
342K
$1.24M
|
|
|
Aug 12, 2025
Q2 2025
|
Axq Capital, LP
Jersey City, NJ |
BUY
|
- |
41.3KNew |
$144K - $318K
|
41.3K
$149K
|
|
|
Jul 10, 2025
Q2 2025
|
Baader Bank Aktiengesellschaft
Unterschleissheim, 2M |
BUY
|
- |
34.3KNew |
$120K - $264K
|
34.3K
$124K
|
|
|
Aug 14, 2025
Q2 2025
|
Verition Fund Management LLC
Greenwich, CT |
BUY
|
- |
31.2KNew |
$109K - $240K
|
31.2K
$113K
|
|
|
Aug 12, 2025
Q2 2025
|
Dcf Advisers, LLC
Greenwich, CT |
BUY
|
CALL |
31K+ 32.63% |
$109K - $239K
|
126K
$456K
|
|
|
Aug 14, 2025
Q2 2025
|
Wellington Management Group LLP
Boston, MA |
BUY
|
- |
26.9K+ 11.96% |
$94.2K - $207K
|
252K
$912K
|
|
|
Aug 13, 2025
Q2 2025
|
Invesco Ltd.
Atlanta, GA |
BUY
|
- |
25.7K+ 31.72% |
$90.1K - $198K
|
107K
$387K
|
|
|
Aug 13, 2025
Q2 2025
|
Dld Asset Management, LP
New York, NY |
BUY
|
- |
22.6KNew |
$79.1K - $174K
|
22.6K
$81.8K
|
|
|
Jul 10, 2025
Q2 2025
|
Exchange Traded Concepts, LLC
|
BUY
|
- |
22.1K+ 14.39% |
$77.4K - $170K
|
176K
$636K
|
|
|
Aug 13, 2025
Q2 2025
|
Peak6 LLC
Chicago, IL |
BUY
|
CALL |
22.1KNew |
$77.4K - $170K
|
22.1K
$80K
|